diff --git a/include/sound/soc.h b/include/sound/soc.h
index 9c3ef6a..9d5a036 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -214,6 +214,8 @@
  */
 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 	void *data, char *long_name);
+int snd_soc_add_controls(struct snd_soc_codec *codec,
+	const struct snd_kcontrol_new *controls, int num_controls);
 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_info *uinfo);
 int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,